Re: [Xen-users] External modem in domU

[John S Little <JSLittl@xxxxxxxxxxxxx>]

Ryan <hap9@xxxxxxxxxxxxxx> wrote on 02/21/2006 02:23:39 PM:

> On Mon, 2006-02-20 at 14:23 -0500, John S Little wrote:
> > Hi all
> > 
> > Is it possible to use an external modem in a domU?  I read several 
posts, 
> > most notably the one below,  but didn't see anything recently.  If 
it's 
> > possible is the an example config somewhere?
> > 
> > 
http://lists.xensource.com/archives/html/xen-users/2005-08/msg00602.html1
> > 
> > 
> > Regards,
> > 
> > John Little
> > Hendricks Regional Health IS Department
> > 317-718-4752
> > jslittl@xxxxxxxxxxxxx
> > http://www.hendrickshospital.org
> > 
> 
> John,
> 
> If your serial ports are on a separate PCI card, you could use the
> functionality in Xen 2.0.x or in the xen-unstable tree to put that PCI
> card in your domU. There's some documentation for this in the Xen user
> manual now. This would probably be the easiest solution.
> 
> If you have built-in serial ports... it will probably be harder. You'll
> need to manually specify to Xen which i/o ports and which IRQ to give to
> the domU. Xen 3.0.1 and later (maybe 3.0.0, I'd have to double-check
> when the functionality was introduced) have support for sharing i/o
> ports and interrupts, however there is no xend component for setting up
> the interrupt sharing (see tools/python/xen/xend/server/iopif.py for the
> i/o ports part). If you're interested in experimenting and building your
> own tools, I have some experimental code for adding the interrupt
> configuration support to xend that I may be able to post on the list.
> 
> Ryan
> 

Hello Ryan,

I am using 3.0.1 on an x86_64 sun box.   The serial ports are built in. I 
would be interested in having a try at your experimental code for this. 
Thinking about the pci part of that though would it be just as easy to get 
an internal non-winmodem (if such exists-it's been a long time since if 
messed with a modem)?

Regards,

John Little


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